docs: def get_promotions(
          self,
          start_latitude,
          start_longitude,
          end_latitude,
          end_longitude,
      ):
          """Get information about the promotions available to a user.
  
          Parameters
              start_latitude (float)
                  The latitude component of a start location.
              start_longitude (float)
                  The longitude component of a start location.
              end_latitude (float)
                  The latitude component of a end location.
              end_longitude (float)
                  The longitude component of a end location.
  
          Returns
              (Response)
                  A Response object containing available promotions.
          """
  
          args = OrderedDict([
              ('start_latitude', start_latitude),
              ('start_longitude', start_longitude),
              ('end_latitude', end_latitude),
              ('end_longitude', end_longitude)
          ])
  
          return self._api_call('GET', 'v1.2/promotions', args=args)